General
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Target
123.exe
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Size
202KB
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MD5
b7f4e2ae44e450771093bbd7dbfe0b62
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SHA1
639e7656ac407fd13a5a1fb81c0ba6744e3feb1c
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SHA256
8c7522c4a55e74068975c4b1645154ac7bea55ceb8e857cb8ddb6cc8e916806b
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SHA512
89398a5f8ebd6abebf0f430c2ac2b1e6bb9a74d54fe937bda578e21074197c62a3e070159e77e62b0929bf5f5aed88e971395e2f39a3118080260f2a8cb5da31
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SSDEEP
3072:wzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIlYzhzRWEV9UWlv38SAb:wLV6Bta6dtJmakIM59FAyUWlv3PAb
Malware Config
Extracted
nanocore
1.2.2.0
127.0.0.1:54984
7f57cde4-91c0-4b68-9028-67d8d06451e4
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activate_away_mode
true
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backup_connection_host
127.0.0.1
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2024-05-22T20:07:44.289605636Z
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bypass_user_account_control
true
- bypass_user_account_control_data
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clear_access_control
true
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clear_zone_identifier
false
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connect_delay
4000
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connection_port
54984
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default_group
Default
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enable_debug_mode
true
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gc_threshold
1.048576e+07
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keep_alive_timeout
30000
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keyboard_logging
false
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lan_timeout
2500
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max_packet_size
1.048576e+07
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mutex
7f57cde4-91c0-4b68-9028-67d8d06451e4
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mutex_timeout
5000
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prevent_system_sleep
false
- primary_connection_host
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primary_dns_server
8.8.8.8
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request_elevation
true
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restart_delay
5000
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run_delay
0
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run_on_startup
true
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set_critical_process
true
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timeout_interval
5000
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use_custom_dns_server
false
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version
1.2.2.0
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wan_timeout
8000
Signatures
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Nanocore family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 123.exe
Files
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123.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 114KB - Virtual size: 113KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.rsrc Size: 87KB - Virtual size: 87KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ